Speed boat



FIG. 1 is a top and front perspective view of a speed boat showing my new design;

FIG. 2 is a top and rear perspective view thereof;

FIG. 3 is a side elevational view thereof; the opposite side view being a mirror image of that shown; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a speed boat, as shown and described. 